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0bef3bb8d0
and partition_info::set_show_version_string - they were already broken and impossible to maintain
101 lines
2.6 KiB
Text
101 lines
2.6 KiB
Text
#
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# Bug#49907: ALTER TABLE ... TRUNCATE PARTITION
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# does not wait for locks on the table
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#
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CREATE TABLE t1 (a INT)
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ENGINE = InnoDB
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PARTITION BY RANGE (a)
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(PARTITION p0 VALUES LESS THAN (15),
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PARTITION pMax VALUES LESS THAN MAXVALUE);
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INSERT INTO t1 VALUES (1), (11), (21), (33);
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BEGIN;
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DELETE FROM t1 WHERE a = 11;
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SELECT * FROM t1;
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a
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1
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21
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33
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connect con1, localhost, root,,;
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ALTER TABLE t1 TRUNCATE PARTITION pMax;
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connection default;
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SELECT * FROM t1;
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a
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1
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21
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33
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# Commit will allow the TRUNCATE to finish
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COMMIT;
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connection con1;
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disconnect con1;
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connection default;
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SELECT * FROM t1;
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a
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1
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DROP TABLE t1;
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#
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# Bug#50561: ALTER PARTITIONS does not have adequate lock, breaks with
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# concurrent I_S query
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create table t1 (a int)
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engine = innodb
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partition by range (a)
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(partition p0 values less than MAXVALUE);
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insert into t1 values (1), (11), (21), (33);
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SELECT * FROM t1;
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a
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1
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11
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21
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33
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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PARTITION BY RANGE (a)
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(PARTITION p0 VALUES LESS THAN MAXVALUE ENGINE = InnoDB)
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t1#P#p0.ibd
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t1.frm
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t1.par
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SET DEBUG_SYNC='before_open_in_get_all_tables SIGNAL parked WAIT_FOR open';
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SET DEBUG_SYNC='partition_open_error SIGNAL alter WAIT_FOR finish';
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SELECT TABLE_SCHEMA, TABLE_NAME, PARTITION_NAME, PARTITION_ORDINAL_POSITION,
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PARTITION_DESCRIPTION, TABLE_ROWS
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FROM INFORMATION_SCHEMA.PARTITIONS
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WHERE TABLE_NAME = 't1' AND TABLE_SCHEMA = 'test';
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connect con1, localhost, root,,;
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SET DEBUG_SYNC = 'now WAIT_FOR parked';
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# When waiting for the name lock in get_all_tables in sql_show.cc
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# this will not be concurrent any more, thus the TIMEOUT
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SET DEBUG_SYNC = 'before_rename_partitions SIGNAL open WAIT_FOR alter TIMEOUT 1';
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# Needs to be executed twice, since first is this 'SET DEBUG_SYNC ...'
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SET DEBUG_SYNC = 'before_close_thread_tables SIGNAL finish EXECUTE 2';
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ALTER TABLE t1 REORGANIZE PARTITION p0 INTO
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(PARTITION p0 VALUES LESS THAN (10),
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PARTITION p10 VALUES LESS THAN MAXVALUE);
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Warnings:
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Warning 1639 debug sync point wait timed out
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disconnect con1;
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connection default;
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TABLE_SCHEMA TABLE_NAME PARTITION_NAME PARTITION_ORDINAL_POSITION PARTITION_DESCRIPTION TABLE_ROWS
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test t1 p0 1 10 1
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test t1 p10 2 MAXVALUE 3
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t1#P#p0.ibd
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t1#P#p10.ibd
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t1.frm
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t1.par
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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PARTITION BY RANGE (a)
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(PARTITION p0 VALUES LESS THAN (10) ENGINE = InnoDB,
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PARTITION p10 VALUES LESS THAN MAXVALUE ENGINE = InnoDB)
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SELECT * FROM t1;
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a
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1
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11
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21
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33
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drop table t1;
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SET DEBUG_SYNC = 'RESET';
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